Siemens MASTERDRIVES MC 1FK7 - Page 42

Technical Data and Characteristics
Speed-torque diagrams 1FK7 CT
1FK7 Synchronous Motors
3-14 Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1
Table 3-7: 1FK7063 CT
Technical data Code Units –5AF71 –5AH71
Engineering data
Rated speed n
N
RPM 3000 4500
Number of poles 2p 8 8
Rated torque (100K)
M
N(100K)
Nm 7.3 3
Rated current
I
N
A5.63.8
Stall torque (60K)
M
0(60K)
Nm 9.1 9.1
Stall torque (100K)
M
0(100K)
Nm 11 11
Stall current (60K)
I
0 (60K)
A6.69.9
Stall current (100K)
I
0 (100K)
A 8.0 12.0
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
17.3 17.3
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
15.1 15.1
Optimum operating point
Optimum speed
n
opt
RPM 3000 3300
Optimum power
P
opt
kW 2.29 2.32
Limiting data
Max. permissible speed (mech.)
n
max
RPM 7200 7200
Max. torque
M
max
Nm 35 35
Peak current
I
max
A2842
Physical constants
Torque constant
k
T
Nm/A 1.37 0.91
Voltage constant
k
E
V/1000 RPM 87.5 58
Winding resistance at 20 °C
R
ph
Ohm 0.65 0.29
Rotating field inductance
L
D
mH 7.7 3.2
Electrical time constant
T
el
ms 11.8 11
Shaft torsional stiffness
c
t
Nm/rad 35000 35000
Mechanical time constant
T
mech
ms 1.56 1.58
Thermal time constant
T
th
min 40 40
Weight with brake m kg 12 12
Weight without brake m kg 11.5 11.5